Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cay co cham snippets" » "cay ca cham snippets", "cay co champa snippets", "cay cao chat snippets", "cac co cham snippets", "tay co cham snippets", "cay cong cham snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("cay co cham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cay co cham snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cay co cham snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cay co cham snippets"))) or ("locating bug code snippets"))*.